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Summary of Contents for Thermo Scientific 678 Series
- Page 1 MEGA-PURE® 12A Water Still Series 678 Operating Manual and Parts List 927793 (7006753) Rev. 3 Visit us online to register your warranty www.thermoscientific.com/warranty...
- Page 2 Added missing referenced Figure 2-3 to pg 2-3 28194 3/12/12 Removed 208V heater part number as unavailable - pg 9-1 27447 6/30/11 Revised set-up, operation and added cartridge numbers 4/12/10 Transfer to Marietta (was 927793 6/18/08) ECR/ECN DATE DESCRIPTION Thermo Scientific 12A Water Still...
- Page 3 Thermo Fisher Scientific makes no representations or warranties with respect to this manual. In no event shall Thermo be held liable for any damages, direct or incidental, arising out of or related to the use of this manual. ©2010 Thermo Fisher Scientific. All rights reserved. 12A Water Still Thermo Scientific...
- Page 4 Always use the proper protective equipment (clothing, gloves, goggles, etc.) 4 Always dissipate extreme cold or heat and wear protective clothing. 4 Always follow good hygiene practices. 4 Each individual is responsible for his or her own safety. Thermo Scientific 12A Water Still...
- Page 5 We can also provide you with a quotation on our Extended Warranty for your Thermo Scientific products. Whatever Thermo Scientific products you need or use, we will be happy to discuss your applications. If you are experiencing technical problems, working together, we will help you locate the problem and, chances are, correct it yourself...over the telephone without a service...
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Page 6: Table Of Contents
Ordering Procedures ........10-2 Thermo Scientific... -
Page 8: Safety Information
Safety Information Section 1 Your Thermo Scientific MEGA-PURE® water still has been designed with function, reliability, and safety in mind. It is the user’s responsibility to install it in conformance with local electrical codes. For safe operation, pay attention to Notes, Cautions, and Warnings throughout the manual. - Page 9 150 lbs.; inadequate support and/or fasteners may result in damage to mounting surface and/or equipment. If unsure of mounting surface composition, condition and construction, or correct fasteners, consult your building maintenance group or contractor. 12A Water Still Thermo Scientific...
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Page 10: Introduction
Introduction Section 2 The Thermo Scientific MEGA-PURE 12A Water Still is a compact, all glass and Teflon® unit designed to provide 12 liters per hour of high purity distilled water. The product water, as produced, is non-pyrogenic per U.S.P. XIX and will have a resistivity up to 10M ohm-cm or higher at the product outlet using most tap water as feed. -
Page 11: Electrical Requirements
You cannot exchange heaters that have been used. Caution Never use 208V heaters on voltage higher than 208 volts as premature heater failure will occur. Figure 2-1. Hubbel #9461C Receptacle Figure 2-2. 60A, 250V Breaker Box 12A Water Still Thermo Scientific... -
Page 12: Water Supply Requirements
An open or atmospherically vented drain located lower than the still is necessary to allow for gravity flow. We supply a 5 foot length of 1/2" I.D. vinyl tubing for the drain. Additional tubing may be purchased from your distributor. Thermo Scientific 12A Water Still... -
Page 14: Unpacking
6. Remove tape from the condenser outlets. Allow the salt used as packing to flow into the plastic bag around the condenser. Discard the bag and salt. Rinse the remaining salt residue from the condenser. Thermo Scientific 12A Water Still... - Page 15 Section 3 Unpacking Fig. 3-1. Component Location Fig. 3-1. Component Location 300K 500K 150K High Change 1meg purity cartridge purge Fig. 3-2. Control Panel 12A Water Still Thermo Scientific...
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Page 16: Assembly
Remove tape from 3/8" I.D. vinyl hose and connect to upper right condenser outlet at Point A (Figure 4-1). b. Remove tape from 3/8" I.D. vinyl hose and connect to lower right condenser outlet at Point B (Figure 4-1). Figure 4-1. Assembly Thermo Scientific 12A Water Still... - Page 17 S. The Teflon connectors have been factory installed on one end of the glass tubing. Tubing has been numbered for ease of identification. To ease assembly, use warm water on glassware and Teflon connectors. 12A Water Still Thermo Scientific...
- Page 18 Figure 4-4. e. Locate boiler fill tubes H and I in the parts box and assemble the ends labeled "5" with Teflon connector. See Point 5 on Figure 4-4. Figure 4-4. Connections Figure 4-3. Cabinet Holes Thermo Scientific 12A Water Still...
- Page 19 14. Route the 4' length 1/2" vinyl hose through the lower hole as shown. This tubing will serve as the drain for the system. If longer length is needed, order 1/2" I.D. x 1/16" wall vinyl tubing from your dealer. Figure 4-5. High Pressure Hoses 12A Water Still Thermo Scientific...
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Page 20: Plumbing Details
"T" connector (1) and threaded connector (2). Hand tighten nuts on both connectors. d. Route 1/2" I.D. vinyl tubing to vented drain. Figure 4-6. Single Supply of Untreated Tap Water Detail A. Locations Thermo Scientific 12A Water Still... - Page 21 5. The other end of the ACS tube connects to the automatic collection system inlet using a #18-A Thomas clamp. The long connecting tube packed with the collection system will not be used. 6. Plug ACS input jack into ACS receptacle on bottom of still control box. 12A Water Still Thermo Scientific...
- Page 22 Section 4 Assembly Figure 4-7. Locations Figure 4-8. Installed Thermo Scientific 12A Water Still...
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Page 24: Installation
Bench Mounting No special consideration for a "still only" setup. When used with the ACS, the Water Still must be placed on a 6" platform to allow for gravity feed of distilled water to the ACS. Thermo Scientific 12A Water Still... - Page 25 Section 5 Installation Figure 5-1. Connections with Dimensions 12A Water Still Thermo Scientific...
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Page 26: Operation
(P) and (Q). The right hand flowmeter should be adjusted until only a light wisp of steam is visible exiting from the condenser vent on the upper left of condenser (F). Adjust left flowmeter to allow minimum overflow in constant level chamber (B). Thermo Scientific 12A Water Still... - Page 27 Troubleshooting section of this manual. Caution Do not use the main power switch as an "OFF" switch. Caution Do not use the flow meters to turn the water off. Warning Replace front protective cover before proceeding. 12A Water Still Thermo Scientific...
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Page 28: High Temperature Cutoff Switch
When unit has cooled, press "WATER" and OPERATE" switches to restore normal operation. Check boiler occasionally for proper water level. Caution Always allow the unit to cool completely before resuming operation. Cool water on hot glass could cause boiler damage. Thermo Scientific 12A Water Still... -
Page 30: Maintenance And Servicing
5. Carefully pour approximately 800 ml of 10% hydrochloric acid solution into top of constant level chamber B. You may need to add water to the boiler to bring solution level up to scale level. (continued) Thermo Scientific 12A Water Still... - Page 31 7. Carefully drain the unit, remove clamp from overflow tube and refill with fresh water and operate for 30 minutes. Turn still off, drain boiler and refill with fresh water. Remove vinyl tubing from product cooler (G) and reconnect product outlet tube (J) at Point 4. 12A Water Still Thermo Scientific...
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Page 32: Troubleshooting
Scale build-up will occur when boiler feed is not 20 hours of operation (see Section 7). Failure to being deionized. do so will cause heaters to build up heat inter- nally and fail or cause glass envelope failure near the air/water interface. Thermo Scientific 12A Water Still... - Page 33 If this appears, addition of a 5 micron filter to cartridge life by clogging the resins. Silica will your water supply will eliminate silica and also carry over into the boiler and be brown or extend cartridge life. tan in color. 12A Water Still Thermo Scientific...
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Page 34: Electrical
Check heater (19 ohms for 208V or 22 ohms for 240V). Replace. Unit off, but water still flowing. Wrong voltage Check inpout voltage against heater rating. Correct. Unit off, but water still flowing. Solenoid valve installed backwards. Solenoid labeled "in" on input side. Check. Thermo Scientific 12A Water Still... - Page 35 Causes Solution Remove level control cover Float stuck. and free-up float. Will not turn still on or off as it should. Switch not working. Input jack Replace switch. Check and not plugged in. reconnect jack. 12A Water Still Thermo Scientific...
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Page 36: Replacement Parts
Boiler Fill Tube (Cooler to Connector) 401928 Boiler Fill Tube (Connector to Boiler) 401929 Product Outlet Tube 401931 Condenser/Cooler Tube (Condenser to Connector) 401932 Condenser/Cooler Tube (Connector to Cooler) 401933 Boiler Drain Stopcock Assembly 410038 ACS Tube 401935 Thermo Scientific 12A Water Still... -
Page 37: Electrical Replacement Parts
410137 Fuse, 5 amp FZX16 Demineralizer Control Box Item Description Part Number Complete Control Box 440379 Conductivity Electrode 441938 Red Lamp Assembly 410122 Green Lamp Assembly 410123 Fuse 410124 DI & ACS Jack Assembly CE677X1A 12A Water Still Thermo Scientific... - Page 38 Demineralizer Gaskets (4/case) 410671 O-Ring GSX29 N/S = Not Shown ®Teflon is a registered trademark of the DuPont Company. PYREX and VYCOR are registered trademarks of Corning, Incorporated. MEGA-PURE is a trademark of Thermo Fisher Scientific. Thermo Scientific 12A Water Still...
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Page 40: Diagrams
Section 10 #3515 - Automatic Collection System (Optional) Notes 1. Control box diagrams are illustrated with no power applied. 2. When control jacks from demineralizer and ASC. Disconnect these jacks to isolate problems for troubleshooting. Thermo Scientific 12A Water Still 10-1... -
Page 41: Ordering Procedures
All parts listed herein may be ordered from the Thermo Scientific dealer from whom you purchased this unit, or can be obtained promptly from the factory. - Page 42 Auto Collection System (Optional) Demineralizer Jack Cell Cell Demineralizer Receptacle Fuse Relay, with Aux. Switch Fuse, 0.5 Amp Relay, with Aux. Switch Circuit Board Relay Pilot Light, Green Dual Solenoid Valve Assembly Pilot Light, Red Thermo Scientific 12A Water Still 10-3...
- Page 44 Thermo Fisher Scientific 401 Millcreek Road Marietta, Ohio 45750 United States www.thermofisher.com...
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